This Bahco 100 Piece Screwdriver Bit Set (59/S100BC) is a versatile tool designed for a wide range of applications, compatible with slotted, Phillips, Pozidriv, hexagonal, TORX®, and TORX® tamper head screws. The set includes 97 bits, a magnetic universal bit holder, a magnetic quick-release bit holder, and a socket adaptor. The 25mm bits come in various sizes, including Phillips (PH1, PH2, PH3, PH2G), Pozidriv (PZ1, PZ2, PZ3), TORX® (T10, T15, T20, T25, T27, T30, T40), TORX® tamper-resistant (TR10, TR15, TR20, TR25, TR30), Slotted (SL4.5, SL5.5), Hexagon (HEX3, HEX4, HEX5, HEX6, HEX8), and Robertson (#1, #2). The TORX® bits are color-coded for easy size identification. Constructed from high-performance alloy steel with a zinc phosphate finish and sand blasting + antirust oil, these bits offer durability and rust resistance. The set features 1/4" hex drive (DIN 3126 and ISO 1173, style C 6.3) and includes a 1/4" square socket adaptor with a ball type for regular nut driver sockets (style C 6.3) and a universal bit holder with a strong magnet (style E 6.3). A magnetic quick-release bit holder with a lock-in system (style E 6.3) is also included. The included case is robust, tough, and durable, providing excellent protection for the bits.